In the types, require using $.response to build a response.

Author: pmcelhaney

.changeset/neat-memes-notice.md

@@ -0,0 +1,5 @@
+---
+"counterfact": minor
+---
+
+The type system no longer allows responses constructed without $.response

src/counterfact-types/generic-response-builder.ts

@@ -157,8 +157,7 @@ export type GenericResponseBuilder<
   : object extends OmitValueWhenNever<Omit<Response, "examples">>
     ? COUNTERFACT_RESPONSE
     : keyof OmitValueWhenNever<Omit<Response, "examples">> extends "headers"
-      ? {
-          ALL_REMAINING_HEADERS_ARE_OPTIONAL: COUNTERFACT_RESPONSE;
+      ? COUNTERFACT_RESPONSE & {
           header: HeaderFunction<Response>;
         }
       : GenericResponseBuilderInner<Response>;

src/typescript-generator/operation-type-coder.ts

@@ -304,8 +304,6 @@ export class OperationTypeCoder extends TypeCoder {
       modulePath,
     );
 
-    return `($: OmitValueWhenNever<{ query: ${queryTypeName}, path: ${pathTypeName}, headers: ${headersTypeName}, cookie: ${cookieTypeName}, body: ${bodyType}, context: ${contextTypeImportName}, response: ${responseType}, x: ${xType}, proxy: ${proxyType}, user: ${this.userType()}, delay: ${delayType} }>) => MaybePromise<${this.responseTypes(
-      script,
-    )} | { status: 415, contentType: "text/plain", body: string } | COUNTERFACT_RESPONSE | { ALL_REMAINING_HEADERS_ARE_OPTIONAL: COUNTERFACT_RESPONSE }>`;
+    return `($: OmitValueWhenNever<{ query: ${queryTypeName}, path: ${pathTypeName}, headers: ${headersTypeName}, cookie: ${cookieTypeName}, body: ${bodyType}, context: ${contextTypeImportName}, response: ${responseType}, x: ${xType}, proxy: ${proxyType}, user: ${this.userType()}, delay: ${delayType} }>) => MaybePromise<COUNTERFACT_RESPONSE>`;
   }
 }